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Details
Whimsical flower buds look like hot air balloons that pop open to purple and white star-shaped flowers. Perfect for the front of the border, or as an accent in containers or rock gardens.
Additional Info
Botanical Name | Platycodon grandiflorus |
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Life Cycle | Perennial |
Min. Time to Germinate | 15 Days |
Max. Time to Germinate | 30 Days |
Depth to Sow Seeds | Surface Sow; press seeds gently into the soil to make good contact, but do not cover with any additional soil; these seeds require light to germinate |
When to Sow | Indoors 6-8 weeks before last spring frost |
Growing Height | 6-12 in. (15-30 cm) |
Plant Spacing | 9-12 in. (22-30 cm) |
Hardiness | USDA Zone 3a: to -35F, USDA Zone 3b: to -30F, USDA Zone 4a: to -25F, USDA Zone 4b: to -20F, USDA Zone 5a: to -15F, USDA Zone 5b: to -10F, USDA Zone 6a: to -5F, USDA Zone 6b: to 0F, USDA Zone 7a: to 5F, USDA Zone 7b: to 10F, USDA Zone 8a: to 15F, USDA Zone 8b: to 20F, USDA Zone 9a: to 25F, USDA Zone 9b: to 30F |
Sun Exposure | Full Sun, Sun to Partial Shade |
Danger | N/A |
Bloom Color | Medium Blue, White/Near White |
Bloom Time | Late Summer/Early Fall, Mid-Summer |
Foliage | Herbaceous |
Other Details | Average Water Needs; Water regularly; do not overwater |
Soil pH Requirements | 6.1 to 6.5 (mildly acidic), 6.6 to 7.5 (neutral), 7.6 to 7.8 (mildly alkaline) |
Propagation Methods | By dividing the rootball, From seed; direct sow after last frost, From seed; sow indoors before last frost |
Seed Collecting | Allow pods to dry on plant; break open to collect seeds |
Seeds Per Pack | 25 |